345595280

素因数分解:

$2^4\times 5^1\times {\mathrm{4319941}}^1$

素因数の和:4319954

約数の個数: 20

約数和(自身を含む): 803509212

約数和(自身を除く): 457913932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4319941, 8639882, 17279764, 21599705, 34559528, 43199410, 69119056, 86398820, 172797640, 345595280]

約数ペア:

[(1, 345595280), (2, 172797640), (4, 86398820), (5, 69119056), (8, 43199410), (10, 34559528), (16, 21599705), (20, 17279764), (40, 8639882), (80, 4319941)]